adv.徒然地

He knocked on the door futilely, knowing that nobody was home.
他徒劳地敲着门，明知道家里没有人。
She searched futilely for her lost keys in the bottom of her purse.
她徒劳地在包底搜寻她丢失的钥匙。
The team tried futilely to claw back the deficit in the final minutes of the game.
这支队伍在比赛的最后几分钟试图徒劳地挽回劣势。
He argued futilely with his boss about the new policy, but it was already set in stone.
他徒劳地与老板争论新政策，但那已经板上钉钉了。
She futilely attempted to reason with the angry customer, who refused to listen.
她试图徒劳地与愤怒的顾客讲道理，但对方拒绝听从。
The gardener watered the dried-up plant futilely, hoping for a miraculous recovery.
园丁徒劳地给枯死的植物浇水，希望奇迹般地复苏。
They searched the beach futilely for hours, looking for any signs of the missing necklace.
他们在海滩上徒劳地搜索了几个小时，寻找丢失项链的任何迹象。
He futilely pushed against the locked door, realizing too late that he had forgotten his keys.
他徒劳地推着锁着的门，意识到得太晚自己忘了带钥匙。
The student futilely crammed information into her brain the night before the exam, only to forget most of it during the test.
考试前夜，学生徒劳地往脑子里塞信息，结果考试时大部分都忘了。
The negotiations were futilely extended, as neither side was willing to compromise on their key demands.
谈判徒劳地延长了，因为双方都不愿在关键要求上妥协。